Anyone, including VoiceXML platform vendors, university professors, students, may be listed on this page by submitting a written application to admin@voicexml.org. The application should include the following:

The name of your organization

Name of your package

Description of the package contents

Web site where the package can be accessed

Summary of the licensing requirements

A committee of VoiceXML experts will review your application, and determine if it is appropriate to be posted on this web page. Criteria for acceptance includes accuracy of the descriptions, usefulness in university courses dealing with VoiceXML, and (for commercial offerings) discount over normal licensing fees. The VoiceXML Forum makes no guarantee as to the accuracy of this information.

Organization Name

Software Package

Brief Description

Web Site for Downloading and Summary of Licensing Requirements

Carnegie Mellon University

CMU Sphinx

Real-time continuous speech recognition system

http://www.cmusphinx.org Sphinx is released under a BSD-type free software license. It includes core recognizers, acoustic training scripts, and free acoustic models.

public domain (GPL)

CCXML4J

CCXML4J is a CCXM interpreter in Java. It is independent of the telephony infrastructure and provides mechanisms to integrate with telephony APIs, e.g. based on the JAIN specifications.

https://sourceforge.net/projects/ccxml4j/ Work on CCXML4J is in progress. The current version already implements most of the latest CCXML specification. Included are Junit test cases and a simple example how to connect to and how to use JAIN-SIP.

Internationaler Medienverbund

PublicVoiceXML

PublicVoiceXML is a VoiceXML 2.0 browser, designed to work also on low cost telephony hardware using DTMF navigation with hooks to 3rd party TTS Modules. VoIP support is under development.

http://sourceforge.net/projects/publicvoicexml/ PublicVoiceXML is licensed under the GNU General Public License. However, since we have already been contacted by interested commercial companies that want to use publicVoiceXML’s source code, we decided to offer them another license apart from the GNU GPL.

Phonologies (India) Pvt Ltd.

Oktopous PIK (CCXML Platform Integration Kit)

Oktopous is a CCXML interpreter independent of telephony environment and VoiceXML dialog servers and provides a flexible high-level API to integrate with any platform of choice. It is a C++ implementation of CCXML 1.0 Working Draft.

The OpenVXI 3.0 VoiceXML interpreter is a portable open source library that interprets the VoiceXML dialog markup language. It is designed to serve as a reference for parties interested in understanding how VoiceXML markup might be executed.

http://sourceforge.net/projects/openvxi/ Redistribution and use in source and binary forms, with or without modification, are permitted provided that redistribution of source code must retain the copyright notice, the provided list of conditions, and disclaimers. Full details are included in the distribution.

University of Edinburgh and Carnegie Mellon University

Festival Speech Synthesis System

Real-time continuous speech recognition system

http://www.festvox.org/festival Festival is released under a BSD-type free software license. Includes Core synthesizer and a number of free voices. Tools to construct new voices are also included.